U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/06/94 - 05/09/94 ** EVENT NUMBERS ** 27062 27214 27215 27216 27217 27218 27219 27220 27221 27222 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27062 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 04/08/94 | |UNIT: [ ] [2] [ ] STATE: PA |NOTIFICATION TIME: 18:17 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 04/08/94 | +------------------------------------------------+EVENT TIME: 18:10[EDT]| |NRC NOTIFIED BY: TUITE |LAST UPDATE DATE: 05/06/94 | |HQ OPS OFFICER: CHAUNCEY GOULD +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |WALTER PASCIAK RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE LICENSEE DISCOVERED A CONDITION WHERE THE EXISTING VENTILATION FLOW | | USED TO MAINTAIN ENVIRONMENTAL QUALIFICATION(EQ) TEMPERATURE LIMIT DURING | | ACCIDENT CONDITIONS WAS INADEQUATE. | | | | IT WAS DETERMINED WHEN ASSUMING MAXIMUM DESIGN OUTSIDE AIR TEMPERATURE, THE | | EAST AND WEST CABLE VAULTS WOULD NOT HAVE ADEQUATE VENTILATION FLOW TO | | MAINTAIN THE EQ TEMPERATURE LIMIT DURING ACCIDENT CONDITIONS. THESE AREAS | | HOUSE EMERGENCY 480V MOTOR CONTROL CENTERS AND AC & DC DISTRIBUTION PANELS. | | USING THE CURRENT AMBIENT OUTSIDE TEMPERATURE, THE CALCULATED MAXIMUM | | TEMPERATURE REACHED AT POST ACCIDENT IN THE EAST CABLE VAULT WILL BE BELOW | | THE MAXIMUM EQ LIMIT FOR EQUIPMENT IN THE AREA. HOWEVER, PROJECTED MAXIMUM | | TEMPERATURE IN THE WEST CABLE VAULT WOULD EXCEED THE MAXIMUM EQ LIMIT. | | A VENTILATION REBALANCE IS IN PROGRESS TO RESTORE THE REQUIRED FLOW. THEY | | ARE REVIEWING TS LCO'S TO DETERMINE APPLICABILITY. THE RI WILL BE NOTIFIED. | | | | ***UPDATE AT 18:50 BY TUITE TO GOULD*** AT 18:15 THEY COMPLETED THE | | VENTILATION REBALANCE AND VERIFIED THAT THE WEST CABLE VAULT VENTILATION | | FLOW WAS ABOVE THE MINIMUM. THE FLOWS HAVE BEEN VERIFIED SATISFACTORY IN | | ALL AREAS. | | | | * * * UPDATE ON 5/6/94 AT 1310 EDT FROM TUITE TAKEN BY KARSCH * * * | | THE LICENSEE REPORTED THE RESULTS OF HEAT LOAD CALCULATIONS PERFORMED FOR | | THE EAST AND WEST CABLE VAULTS. THESE CALCULATIONS SHOW THAT DESIGN | | TEMPERATURE LIMITS WOULD NOT HAVE BEEN EXCEEDED IN THE CABLE VAULTS WITH | | THE VENTILATION FLOW THAT EXISTED. THE OPERATION OUTSIDE OF DESIGN BASIS | | REPORTED UNDER 50.72(ii)(B) DID NOT EXIST AND IS NOT REPORTABLE. THE | | LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. R1DO (EAPEN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |GENERAL INFORMATION or OTHER | |EVENT NUMBER: 27214 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: ABB POWER T&D COMPANY |NOTIFICATION DATE: 05/06/94 | | CITY: ALLENTOWN REGION: 1 |NOTIFICATION TIME: 11:39 [ET]| | COUNTY: STATE: PA |EVENT DATE: 05/06/94 | |LICENSE#: AGREEMENT: N |EVENT TIME: 00:00[EDT]| | DOCKET: |LAST UPDATE DATE: 05/06/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | | | | |CHRIS GRIMES EO | +------------------------------------------------+WALTER HAASS NRR | |NRC NOTIFIED BY: HARRY HINCH VIA FAX | | |HQ OPS OFFICER: STEVE SANDIN | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |CCCC 21.21 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | ABB POWER T&D COMPANY, PROTECTIVE RELAY DIVISION LOCATED IN ALLENTOWN, PA | | IS MAKING A PART 21 NOTIFICATION OF A POTENTIAL DEFECT IN ABB SUPPLIED | | RELAYS TYPES 27N, 27N-R, 59N AND 27/59 RELAYS LOT CODES #8038, #9107, | | #13302 AND #16553 SUPPLIED TO TVA (SEQUOYAH), DUKE POWER, SO. CAL EDISON | | (SAN ONOFRE), PERRY, SEABROOK, POINT BEACH, VC SUMMER, LIMERICK, | | SUSQUEHANNA, COMMONWEALTH EDISON, VERMONT YANKEE AND TAIWAN. THE DEFECT | | INVOLVES CASE DEFORMITY OR A CRACK IN THE EPOXY WHILE INSTALLING CAPACITOR | | C-9 DURING MANUFACTURE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27215 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: CLINTON REGION: 3 |NOTIFICATION DATE: 05/06/94 | |UNIT: [1] [ ] [ ] STATE: IL |NOTIFICATION TIME: 13:18 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 05/06/94 | +------------------------------------------------+EVENT TIME: 12:30[CDT]| |NRC NOTIFIED BY: JEFF NADEN |LAST UPDATE DATE: 05/06/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | THE UNDERVOLTAGE RELAYS THAT ARE USED TO TRANSFER SAFETY LOADS TO THE | | EMERGENCY DIESEL GENERATOR (EDG) ARE SET TOO LOW TO ASSURE PROPER VOLTAGES | | ON 120 VOLT DISTRIBUTION PANELS. | | | | THE FOLLOWING IS THE TEXT OF A LICENSEE FAX: | | "THIS REPORT IS BEING MADE BECAUSE PRIOR TO 5/15/92, THE PLANT WAS IN A | | CONDITION OUTSIDE THE DESIGN BASIS. SUBSEQUENTLY, DETAILED CALCULATIONS OF | | THE AUX POWER SYSTEM UNDER LOCA CONDITIONS HAVE REVEALED THAT THE PRESENT | | SECOND LEVEL UNDERVOLTAGE RELAY MINIMUM RE-SET POINT OF 3799 VOLTS WOULD | | NOT ENSURE SUFFICIENT OPERATING VOLTAGE AT THE EQUIPMENT FED FROM THE 120 | | VOLT MCC DISTRIBUTION PANELS. A MCR ALARM AT 3940 VOLTS AND PROCEDURAL | | GUIDANCE REQUIRING OPERATOR ACTION AT 3890 VOLTS HAS BEEN IN PLACE SINCE | | 5/15/92 TO PROVIDE ADEQUATE OPERATING VOLTAGE TO ALL REQUIRED EQUIPMENT. | | LONG-TERM CORRECTIVE ACTIONS ARE STILL BEING EVALUATED." | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |OTHER NUCLEAR MATERIAL | |EVENT NUMBER: 27216 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |LICENSEE: YALE UNIVERSITY |NOTIFICATION DATE: 05/06/94 | | CITY: NEW HAVEN REGION: 1 |NOTIFICATION TIME: 16:30 [ET]| | COUNTY: STATE: CT |EVENT DATE: 04/29/94 | |LICENSE#: 0600183-03 AGREEMENT: N |EVENT TIME: 17:00[EDT]| | DOCKET: |LAST UPDATE DATE: 05/06/94 | | +-----------------------------+ | |PERSON ORGANIZATION| | |P. K. EAPEN RDO | | |ROBERT BAER EO | +------------------------------------------------+ | |NRC NOTIFIED BY: KEVIN CHARBONNEAU | | |HQ OPS OFFICER: DOUG WEAVER | | +------------------------------------------------+ | |EMERGENCY CLASS: NOT APPLICABLE | | |10 CFR SECTION: | | |NINF INFORMATION ONLY | | | | | | | | | | | | | | +------------------------------------------------+-----------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | YALE UNIVERSITY - RADIOACTIVE MATERIAL FOUND IN AN UNCONTROLLED AREA. | | | | A RADIOACTIVE SPILL OCCURRED IN A LAB ON 4/29/94. THE PERSON INVOLVED HAD | | CARRIED SOME CONTAMINATION TO HIS HOME AFTER THE SPILL. | | | | APPROXIMATELY 100 MICROCURIES OF IODINE 125 WAS SPILLED BY A PRINCIPAL | | INVESTIGATOR ON THE AFTERNOON OF 4/29/94. HE LOCKED UP HIS LAB AND WENT | | HOME FOR THE NIGHT WITH THE INTENT ON RETURNING THE NEXT DAY TO | | DECONTAMINATE THE LABORATORY. HE PERFORMED DECONTAMINATION WORK OVER THE | | NEXT SEVERAL DAYS. HE NOTIFIED THE UNIVERSITY'S RADIATION SAFETY OFFICE | | WHEN HE FELT HIS DECONTAMINATION WAS COMPLETE (5/4/94). THE RADIATION | | SAFETY OFFICE FOUND CONTAMINATION IN THE LAB AND ON HIS CLOTHES AT HOME. | | THE LAB WAS DECONTAMINATED ON 5/5/94. CONTAMINATION LEVELS ON HIS CLOTHES | | WERE IN THE RANGE OF 70,000 CPM (NO AREA GIVEN). | | | | SURVEYS OF HIS HOME REVEALED NO FURTHER CONTAMINATION. NO DOSE ESTIMATE | | WAS AVAILABLE. THE UNIVERSITY IS IN THE PROCESS OF TRYING TO ACCOUNT FOR | | ALL THE MATERIAL INVOLVED. THE PERSON INVOLVED HAS BEEN TEMPORARILY BANNED | | FROM PERFORMING LICENSED ACTIVITIES. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27217 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HADDAM NECK REGION: 1 |NOTIFICATION DATE: 05/06/94 | |UNIT: [1] [ ] [ ] STATE: CT |NOTIFICATION TIME: 17:24 [ET]| |RX TYPE: [1] W-4-LP |EVENT DATE: 05/06/94 | +------------------------------------------------+EVENT TIME: 17:20[EDT]| |NRC NOTIFIED BY: MIKE QUINN |LAST UPDATE DATE: 05/07/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |P. K. EAPEN RDO | |AINC 50.72(b)(2)(iii)(C) POT UNCNTRL RAD REL | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | SET POINT DRIFT IN HIGH PRESSURE SAFETY INJECTION (HPSI) LINE RELIEF VALVE | | COULD RESULT IN AN UNCONTROLLED RAD RELEASE FROM THE REFUELING WATER | | STORAGE TANK (RWST) IF ALL OF A SERIES OF LOW PROBABILITY EVENTS OCCUR. | | | | WHILE RUNNING THE "B" HPSI PUMP, THE LICENSEE NOTED THAT THE MIN-FLOW LINE | | FLOW RATE WAS HIGHER THAN EXPECTED. THEY DETERMINED THAT A HPSI INJECTION | | LINE RELIEF VALVE HAD LIFTED DUE TO SET POINT DRIFT. THE SET POINT SHOULD | | BE 1540 PSI, BUT WAS PROBABLY CLOSER TO 1500 PSI. THE FLOW FROM THIS VALVE | | IS RETURNED TO THE RWST. THIS TANK IS VENTED TO ATMOSPHERE. IF THERE IS A | | REACTOR COOLANT SYSTEM BREAK IN THE RANGE THAT ALLOWS HPSI INJECTION, AND | | THE RWST EMPTIES AND SUMP RECIRCULATION MODE IS ENTERED, AND THE HPSI | | INJECTION LINE RELIEF VALVE'S SET POINT DRIFTS DOWN LOWER THAN THE | | DISCHARGE PRESSURE OF THE HPSI PUMP, AND THE PLANT OPERATORS DON'T NOTICE | | IT, AN UNMONITORED RADIATION RELEASE PATH WAY VIA THE RWST IS CREATED. WITH | | ONE VALVE OPEN A FLOW OF 30 TO 70 GALLONS PER MINUTE IS POSSIBLE. | | | | THE LICENSEE OBSERVED THAT ONLY ONE OF THE HPSI PUMPS LIFTED THE RELIEF | | VALVE. THAT PUMP HAS BEEN PLACED IN PULL-TO-LOCK. THIS PLACES THE PLANT | | IN A 72 HOUR LCO. THE LICENSEE WILL ATTEMPT TO RESET THE RELIEF VALVE SET | | POINT AND EXIT THE LCO. | | | | THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR AND STATE AND LOCAL GOVT. | | * * * UPDATE AT 2106 EDT ON 5/7/94 FROM STANFORD TAKEN BY KARSCH * * * | | THE SETPOINT ON THE HPSI INJECTION LINE RELIEF VALVE WAS RESET TO 1545 PSI. | | THE TECH SPEC LCO WAS EXITED AT 2100 EDT WHEN ALL HPSI PUMPS WERE RETURNED | | TO SERVICE. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. R1DO | | (EAPEN) NOTIFIED. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27218 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 05/06/94 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 21:52 [ET]| |RX TYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 05/06/94 | +------------------------------------------------+EVENT TIME: 21:20[EDT]| |NRC NOTIFIED BY: AL HARTNER |LAST UPDATE DATE: 05/06/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |P. K. EAPEN RDO | |ASHU 50.72(b)(1)(i)(A) PLANT S/D REQD BY TS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 95 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TECH SPEC REQUIRED SHUTDOWN BECAUSE OF AN INOPERABLE RIVER WATER HEADER. | | | | THE LICENSEE STARTED REDUCING POWER AT 2120 ON 5/6/94 BECAUSE OF AN | | INOPERABLE REACTOR PLANT RIVER WATER HEADER. RIVER WATER HEADER "A" WAS | | DECLARED INOPERABLE AT 1340 ON 5/4/94 DUE TO A SMALL LEAK IN THE HEADER. | | THIS PLACED THE PLANT IN A 72 HOUR LCO. THE LEAK LOCATION IS IN THE | | VICINITY OF THE PENETRATION IN THE PRIMARY AUXILIARY BUILDING, BUT THE | | EXACT LEAK LOCATION IS NOT KNOWN. EXCAVATION EFFORTS ARE UNDERWAY TO | | IDENTIFY THE EXACT LOCATION; HOWEVER, THE LICENSEE DOES NOT THINK THE LEAK | | CAN BE LOCATED AND REPAIRED AND RETURNED TO AN OPERABLE STATUS WITHIN THE | | 72 HOUR TIME FRAME ALLOWED BY THE LCO. THE PLANT MUST BE IN HOT STANDBY | | WITHIN THE NEXT SIX HOURS AFTER THE 72 HOURS EXPIRES. THEY ARE REDUCING | | POWER AT ABOUT 10% PER HOUR AND EXPECT TO TAKE THE TURBINE OFF LINE AT 0800 | | TOMORROW. THEY PLAN TO CONTINUE COOLING DOWN TO COLD SHUTDOWN. | | | | THE LEAK IS ESTIMATED TO BE APPROXIMATELY ONE-QUARTER LITER PER MINUTE. | | ALTHOUGH THE "A" HEADER HAS BEEN DECLARED INOPERABLE IT IS STILL AVAILABLE | | FOR USE IF NEEDED. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27219 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ROBINSON REGION: 2 |NOTIFICATION DATE: 05/07/94 | |UNIT: [2] [ ] [ ] STATE: SC |NOTIFICATION TIME: 15:36 [ET]| |RX TYPE: [2] W-3-LP |EVENT DATE: 05/07/94 | +------------------------------------------------+EVENT TIME: 14:38[EDT]| |NRC NOTIFIED BY: DON MORRISON |LAST UPDATE DATE: 05/07/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER RDO | |AOUT 50.72(b)(1)(ii)(B) OUTSIDE DESIGN BASIS | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | TURNING OFF AN AUX BUILDING EXHAUST FAN COULD RESULT IN FAILURE TO MAINTAIN | | ADEQUATE POSITIVE PRESSURE IN THE CONTROL ROOM. | | | | AN AUX BUILDING EXHAUST FAN WAS TURNED OFF WHICH RESULTED IN A POSITIVE | | PRESSURE IN A ROOM ADJACENT TO THE CONTROL ROOM. THIS PRESSURE WAS GREATER | | THAN THE POSITIVE PRESSURE OBTAINABLE BY THE CONTROL ROOM HVAC IN | | PRESSURIZATION MODE. THE LICENSEE WILL FOLLOW UP TO DETERMINE APPROPRIATE | | CORRECTIVE ACTIONS. THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27220 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: ZION REGION: 3 |NOTIFICATION DATE: 05/07/94 | |UNIT: [1] [2] [ ] STATE: IL |NOTIFICATION TIME: 23:47 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/07/94 | +------------------------------------------------+EVENT TIME: 21:55[CDT]| |NRC NOTIFIED BY: GLENN KAHT |LAST UPDATE DATE: 05/07/94 | |HQ OPS OFFICER: RUDY KARSCH +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MICHAEL J. JORDAN RDO | |DDDD 73.71 UNSPECIFIED PARAGRAPH | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 COLD SHUTDOWN | 0 COLD SHUTDOWN | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | A BUS DUCT PENETRATION COVER PLATE WAS REMOVED PROVIDING AN ENTRY PATH INTO | | THE TURBINE BUILDING. THE ENTRY PATH EXISTED WITHOUT A SECURITY GUARD | | POSTED FOR LESS THAN ONE HOUR. THE COVER PLATE WAS REPLACED AT 2236 CDT. | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27221 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: DIABLO CANYON REGION: 4 |NOTIFICATION DATE: 05/08/94 | |UNIT: [1] [2] [ ] STATE: CA |NOTIFICATION TIME: 16:53 [ET]| |RX TYPE: [1] W-4-LP,[2] W-4-LP |EVENT DATE: 05/08/94 | +------------------------------------------------+EVENT TIME: 13:37[PDT]| |NRC NOTIFIED BY: DAVID PATTY |LAST UPDATE DATE: 05/08/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |GARY SANBORN RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |MARTIN VIRGILIO EO | | |JIM MUSE FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 20 POWER OPERATION | 20 POWER OPERATION | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | BRUSH FIRE ON OWNER CONTROLLED LAND | | | | A SMALL BRUSH FIRE IS BURNING ON OWNER CONTROLLED LAND ABOUT 300 YARDS | | OUTSIDE THE PROTECTED AREA. THE FIRE WAS DISCOVERED AT 1337 PDT. THE FIRE | | IS NOT NEAR THE OFFSITE POWER LINES THAT FEED THE PLANT. ALL EMERGENCY | | DIESEL GENERATORS ARE OPERABLE. BECAUSE OF A RECENT RAIN IN THE AREA, THE | | FIRE IS BEST DESCRIBED AS SMOLDERING. THE DECLARATION OF AN UNUSUAL EVENT | | IS BASED UPON THE LICENSEE CALLING FOR OFFSITE ASSISTANCE. THE PLANT IS | | CONTINUING WITH NORMAL OPERATIONS. | | | | THE LICENSEE HAS CALLED THE CALIFORNIA DEPARTMENT OF FORESTRY TO AID THEIR | | OWN FIRE BRIGADE IN ATTACKING THE FIRE. THE LICENSEE ALSO NOTIFIED THE | | LOCAL COUNTY SHERIFF AND THE CALIFORNIA DEPARTMENT OF EMERGENCY SERVICES. | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. A PRESS RELEASE IS | | PLANNED. | | | | * * * UPDATE AT 1813EDT BY PATTY TAKEN BY WEAVER * * * | | THE UNUSUAL EVENT WAS TERMINATED AT 1505PDT. THE FIRE IS OUT AND CLEANUP | | OPERATIONS ARE UNDERWAY. THE CAUSE OF THE FIRE WAS A 12KV LINE WHICH WAS | | ARCING. THE LINE WAS DEENERGIZED TO FIGHT THE FIRE. THIS LINE DID NOT | | SUPPLY ANY PLANT RELATED LOADS. THE FOLLOWING PEOPLE WERE NOTIFIED RDO | | (SANBORN); EO (VIRGILIO); FEMA (CARR) | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 27222 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: BROWNS FERRY REGION: 2 |NOTIFICATION DATE: 05/08/94 | |UNIT: [ ] [2] [ ] STATE: AL |NOTIFICATION TIME: 17:28 [ET]| |RX TYPE: [1] GE-4,[2] GE-4,[3] GE-4 |EVENT DATE: 05/08/94 | +------------------------------------------------+EVENT TIME: 14:45[CDT]| |NRC NOTIFIED BY: RUSSEL GILBERT |LAST UPDATE DATE: 05/08/94 | |HQ OPS OFFICER: DOUG WEAVER +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |MARK LESSER RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | |NLCO TECH SPEC LCO A/S | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | | | | | 2 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | RCIC SYSTEM DISCOVERED TO BE INOPERABLE. | | | | AT 1445 CDT THE LICENSEE DISCOVERED THAT THE FLOW CONTROLLER FOR RCIC WAS | | READING MINUS 52 GALLONS PER MINUTE. THE INTEGRATED COMPUTER SYSTEM WAS | | ALSO READING MINUS 52 GPM. SINCE THIS FAILURE COULD HAVE PREVENTED RCIC | | FROM PERFORMING ITS SAFETY FUNCTION, RCIC WAS DECLARED INOPERABLE. THIS IS | | A 7 DAY LCO. THE CAUSE OF THE FAILURE IS NOT YET KNOWN. | | | | THE LICENSEE WILL INFORM THE NRC RESIDENT INSPECTOR. | +------------------------------------------------------------------------------+